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Oceaneering International Inc

OII
Exchange
NYSE
Industry
Oil & Gas Field Services, NEC
SEC CIK
0000073756

In the last 90 days, Oceaneering International Inc insiders filed 0 open-market purchases and 4 sales; 376 institutions reported holding it in 13F filings for Q2 2026, worth $4.22B in total; no superinvestor holds it.

Q2 2025 vs. Q1 2025

How the institutions holding Oceaneering International Inc changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of OII: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders2863288+5
Shares96.1M44.6K95.8M−252.9K (−0.3%)
Value$2.10B$973.3K$1.99B−$109.8M (−5.2%)

3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (47)

Institutions that held Oceaneering International Inc at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to OII in Q2 2025
InstitutionSharesValue% of portfolio
Boston Trust Walden Corp526,125$10.9M0.08%
ExodusPoint Capital Management, LP317,344$6.58M0.08%
Point72 Asset Management, L.P.175,000$3.63M0.01%
HRT Financial LP100,457$2.08M0.01%
Essex Investment Management Co LLC100,336$2.08M0.38%
Zacks Investment Management71,887$1.49M0.01%
DRW Securities, LLC48,110$996.8K0.07%
Aquatic Capital Management LLC46,245$958.2K0.02%
Fulcrum Asset Management LLP41,146$852.5K0.24%
Schonfeld Strategic Advisors LLC32,946$682.6K0.01%
Centiva Capital, LP32,019$663.4K0.04%
Legato Capital Management LLC29,988$621.4K0.07%
Carlson Capital L P27,700$573.9K0.33%
Corigliano Investment Advisers, LLC25,500$528.4K0.17%
Inceptionr LLC23,333$483.5K0.11%
Oxford Asset Management LLP20,896$433.0K0.14%
Campbell & CO Investment Adviser LLC20,012$414.6K0.03%
Magnetar Financial LLC17,181$356.0K0.00%
AXA S.A.15,796$327.3K0.00%
CSM Advisors, LLC14,027$291.0K0.01%
Corton Capital Inc.13,675$283.3K0.33%
Capital Fund Management S.A.11,610$240.6K0.00%
Polymer Capital Management (US) LLC10,935$226.6K0.04%
CI Private Wealth, LLC10,185$211.0K0.00%
Cerity Partners LLC9,732$201.6K0.00%
Headlands Technologies LLC4,418$91.5K0.01%
Clear Street Markets LLC2,721$56.4K0.02%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2,072$43.0K0.00%
Cullen/Frost Bankers, Inc.1,249$25.9K0.00%
Caitong International Asset Management Co., Ltd1,098$22.8K0.02%
Essential Partners LLC764$15.8K0.01%
AdvisorNet Financial, Inc614$12.7K0.00%
Erste Asset Management GmbH400$8.34K0.00%
Marshall & Sullivan Inc400$8.29K0.00%
Twin Peaks Wealth Advisors, LLC260$5.75K0.00%
Hantz Financial Services, Inc.227$5.00K0.00%
Private Wealth Management Group, LLC136$2.82K0.00%
SRS Capital Advisors, Inc.82$1.70K0.00%
Northwestern Mutual Wealth Management Co59$1.22K0.00%
Atlantic Trust, LLC58$1.20K0.00%
Hughes Financial Services, LLC54$1.18K0.00%
Salem Investment Counselors Inc50$1.04K0.00%
CVA Family Office, LLC31$6420.00%
Kilter Group LLC29$6010.00%
Parkworth Wealth Management, Inc.15$3110.00%
Catherine Avery Investment Management LLC15$3110.00%
NewSquare Capital LLC9$1860.00%

Sold out (42)

Institutions that held Oceaneering International Inc at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of OII in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Congress Asset Management Co1,790,545$39.1M
FIL Ltd796,575$17.4M
Congress Wealth Management LLC210,298$4.59M
Marshall Wace, LLP177,983$3.88M
Squarepoint Ops LLC149,320$3.26M
F/M Investments LLC120,282$2.62M
TownSquare Capital, LLC107,263$2.34M
Trexquant Investment LP99,137$2.16M
Jacobs Levy Equity Management, Inc91,217$1.99M
Stifel Financial Corp61,286$1.34M
Corebridge Financial, Inc.52,782$1.15M
Gotham Asset Management, LLC33,171$723.5K
Gsa Capital Partners LLP30,356$662.0K
Steel Peak Wealth Management LLC27,341$596.3K
Nomura Holdings Inc19,456$424.3K
Gibbs Wealth Management18,849$411.1K
Walleye Capital LLC18,077$394.3K
Aristeia Capital LLC15,842$345.5K
Atria Investments LLC15,476$337.5K
ISAM Funds (UK) Ltd15,234$332.3K
Numerai GP LLC14,876$324.4K
Dynamic Technology Lab Private Ltd13,680$298.0K
Aigen Investment Management, LP11,599$253.0K
MML Investors Services, LLC9,974$218.0K
Portside Wealth Group, LLC9,486$206.9K
Vestcor Inc7,138$156.0K
Quadrant Capital Group LLC4,037$88.0K
Group One Trading, L.P.3,895$85.0K
State of Wyoming2,139$46.7K
Coldstream Capital Management Inc494$10.8K
Aster Capital Management (DIFC) Ltd486$10.7K
Hexagon Capital Partners LLC326$7.11K
Cape Investment Advisory, Inc.169$3.69K
LRI Investments, LLC144$3.14K
Carolinas Wealth Consulting LLC114$2.49K
Financial Network Wealth Advisors LLC67$1.46K
Stephens Consulting, LLC45$982
CoreCap Advisors, LLC30$654
Barrow Hanley Mewhinney & Strauss LLC25$545
Bullock Wealth Management Group14$323
Global Financial Private Client, LLC9$196
Harbour Investments, Inc.6$131

Not filed for Q2 2025 yet (3)

Institutions that held Oceaneering International Inc at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding OII in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Keeley-Teton Advisors, LLC30,547$666.2K
Foundry Partners, LLC13,918$303.6K
Lindbrook Capital, LLC163$3.56K